Answers

Add 70/63 and 27/8

1^st number: 1 7/63, 2^nd number: 3 3/8

70/63 + 27/8 is 323/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 8 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   70/63 = 70 × 8/63 × 8 = 560/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   27/8 = 27 × 63/8 × 63 = 1701/504
4. Add the two like fractions:
   560/504 + 1701/504 = 560 + 1701/504 = 2261/504
5. 2261/504 simplified gives 323/72
6. So, 70/63 + 27/8 = 323/72
   In mixed form: 435/72

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